Ruudukko

#include<bits/stdc++.h>
using namespace std;

int main() {
	int n;
	cin >> n;
	int l[n][n];
	int s[n];
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n; j++) {
			if (i == 0) {
				l[i][j] = j+1;
				s[j] = j+1;
			} else if (j == 0) {
				l[i][j] = l[i-1][j] + 1;
			} else {
				int t[n];
				copy(s, s+n, t);
				for (int k = 0; k < i; k++) {
					remove(t, t+n, l[k][j]);
				}
				for (int k = 0; k < j; k++) {
					remove(t, t+n, l[i][k]);
				}
				l[i][j] = t[0];
			}
		}
	}
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n; j++) {
			cout << l[i][j] << " ";
		}
		cout << endl;
	}
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER